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Finding the Third Proportional to 250,330.50 and 387,373.50

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Solution

The third proportional to 250,330.50 and 387,373.50 is: 599,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,330.50 : 387,373.50 = 387,373.50 : x
  2. Step 2: Convert to fraction form
    250,330.50/387,373.50 = 387,373.50/x
  3. Step 3: Cross multiply
    250,330.50x = 387,373.50 × 387,373.50
  4. Step 4: Simplify right side
    250,330.50x = 150,058,228,502.25
  5. Step 5: Solve for x
    x = 150,058,228,502.25/250,330.50
  6. Step 6: Final answer
    x = 599,440.45

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.